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| Chinese | English |
| 三极单投开关 | triple-pole single-throw (switch) |
| 三极双投开关 | triple-pole double-throw (switch) |
| 单投的 | single-throw |
| 单极单投开关 | single pole single throw (switch) |
| 单极双投开关 | single pole double throw (switch) |
| 双极单投开关 | double pole single throw (switch) |
| 双极双投开关 | double pole double throw (switch) |